“Very well made, low noise tubes, the large halo type being acclaimed as sounding near longplate in quality. “ Read
” Amperex 12AU7 (Heerlen factory): excellent tube top to bottom. This one does it all.” Read
“I think the bugleboys are a bit better,but I might be fooling myself, so these comments apply to any Holland made Amperex 12AU7. Full range, nice extension on top with a great sense of vibrancy, transparency and life with very good focus. This tube sounds warm, vibrant, exciting, extended & clean on top, yet smooth and fatigue free all at the same time. “ Read
The Amperex 12AU7 Bugle Boy is a legendary performer that almost defies the need for a traditional review—it is simply fantastic. This tube delivers sweet, shimmering high frequencies and a lush mid-range that creates an incredibly intimate listening experience, making it feel as though the vocalist is performing a private set just for you. The bass response is equally impressive, remaining tight, punchy, and perfectly controlled. When testing with tracks like Lisa Wahlandt’s “Here, There And Everywhere,” the tube breathes life into the room, capturing the true warmth and physical presence of her voice.
Historically, the iconic Bugle Boy logo was used by Amperex (a brand owned by Philips) as a marketing tool to signify tubes specifically screened for high-fidelity audio use. While many Amperex tubes were produced in the same Heerlen, Holland factory, those branded with the cartoon tube-character blowing a bugle were intended to represent the gold standard for low noise and microphonics, making them the primary choice for audiophiles.
Final Verdict: At a typical price point of $15-20 on the secondary market, these tubes are a highly recommended upgrade for anyone seeking a vibrant, fatigue-free soundstage with world-class transparency.
Delicate, smooth, intimate, controlled and well-balanced. Nice soundstage – Allman Brothers guitar solo came right out “front-and-center” 5 feet in front of the speakers and did it’s thing (sounded like candy). These tubes will put a smile on your face.
Amperex 12au7 Buggle Boy – 4.5 stars